10b.

Aim:- Write a C Program to find the sum of numbers with arrays and pointers.

Program:-

#include<stdio.h>

void main()

{

intnumArray[10];

inti, sum = 0;

int *ptr;

printf("\nEnter 10 elements : ");

for (i = 0; i< 10; i++)

scanf("%d", &numArray[i]);

ptr = numArray; /* a=&a[0] */

for (i = 0; i< 10; i++)

  {

sum = sum + *ptr;

ptr++;

   }

printf("The sum of array elements : %d", sum);

}

10.a Write a C Program to Access Elements of an Array Using Pointer

Exercise - 10 Arrays and Pointers

a)Write a C Program to Access Elements of an Array Using Pointer

/* To Read integers into an array and Reversing them using Pointers*/

#include<stdio.h>

#define MAX 30

void main()

{

int size, i, arr[MAX];

int *ptr;

ptr = &arr[0];

printf("\nEnter the size of array : ");

scanf("%d", &size);

printf("\nEnter %d integers into array: ", size);

for (i = 0; i< size; i++)

  {

scanf("%d", ptr);

ptr++;

   }

ptr = &arr[size - 1];

printf("\nElements of array in reverse order are :");

for (i = size - 1; i>= 0; i--)

  {

printf("%d\t",*ptr);

ptr--;

   }

 }

4c.c write a c program to display pascal triangle

#include<stdio.h>

int main()
{
int line,i,j;
printf("enter no of lines\n");
scanf("%d",&line);
for(i=0;i<line;i++)
{
for(j=0;j<line-i-1;j++)
printf(" ");
for(j=0;j<=i;j++)
printf(" %d",fact(i)/(fact(j)*fact(i-j)));
printf("\n");
}
return 0;
}
int fact(int num)
{
long f=1;
int i=1;
while(i<=num)
{
f=f*i;
i++;
}
return f;
}

8cb write a c program to perform operations on marix multiplication

#include<stdio.h>
void main()
{
int a[3][3],b[3][3],c[3][3],i,j,k;
printf("\n enter first matrix");
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
scanf("%d",&a[i][j]);
}
}
printf("\n enter second matrix");
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
scanf("%d",&b[i][j]);
}
}
printf("\n first matrix is");
for(i=0;i<3;i++)
{
printf("\n");
for(j=0;j<3;j++)
{
printf("%d\t",a[i][j]);
}
}
printf("\n secon matrix is");
for(i=0;i<3;i++)
{
printf("\n");
for(j=0;j<3;j++)
{
printf("%d\t",b[i][j]);
}
}
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
c[i][j]=0;
for(k=0;k<3;k++)
c[i][j]=c[i][j]+a[i][k]*b[k][j];
}
}
printf("\n matrix multiplication is");
for(i=0;i<3;i++)
{
printf("\n");
for(j=0;j<3;j++)
{
printf("%d\t",c[i][j]);
}
}
}

8ca write a c program to perform operations on marix

#include<stdio.h>
void main()
{
int a[3][3],b[3][3],c[3][3],i,j;
printf("\n enter first matrix");
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
scanf("%d",&a[i][j]);
}
}
printf("\n enter second matrix");
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
scanf("%d",&b[i][j]);
}
}
printf("\n first matrix is");
for(i=0;i<3;i++)
{
printf("\n");
for(j=0;j<3;j++)
{
printf("%d\t",a[i][j]);
}
}
printf("\n secon matrix is");
for(i=0;i<3;i++)
{
printf("\n");
for(j=0;j<3;j++)
{
printf("%d\t",b[i][j]);
}
}
for(i=0;i<3;i++)
{
for(j=0;j<3;j++)
{
c[i][j]=a[i][j]+b[i][j];
}
}
printf("\n matrix addition is");
for(i=0;i<3;i++)
{
printf("\n");
for(j=0;j<3;j++)
{
printf("%d\t",c[i][j]);
}
}
}

8.a write a c program to perform linear search.

#include<stdio.h>
void main()
{
int a[10],i,n,m,c=0;
printf("\n enter the size of the array");
scanf("%d",&n);
printf("\n enter the elements of the array");
for(i=0;i<n;i++)
{
scanf("%d",&a[i]);
}
printf("\n enter the number to be searched");
scanf("%d",&m);
for(i=0;i<=n-1;i++)
{
if(a[i]==m)
{
printf("\n number %d found at position %dn",a[i],i);
c=1;
}
}
if(c==0)
{
printf("\n the number is not found");
}

}

7.c Write a C Program to compute the values of e^x value using Series expansion

#include<stdio.h>
#include<math.h>
#define PI 3.1415

double exp_x( int, int );

int fact( int );

int main()
{
    int choice, x, n;


                    printf( "e^x\nEnter x and n:\t" );
                    scanf( "%d %d", &x, &n );
                    printf( "e^%d(%d) = %f\n", x, n, exp_x( x, n ) );



}

double exp_x( int x, int n )
{
    int i = 1;
    float ex = 1;

    while ( i < n )
        {
            ex += ( double ) pow( x, i ) / fact( i );
            ++i;
        }

    return ex;
}



int fact( int num )
{
    int f = 0;

    if ( num == 1 )
        return 1;
    else
 f = num * fact( num - 1 );

    return f;
}

7.b Write a C Program to compute the values of cos x value using Series expansion

#include<stdio.h>
#include<math.h>
#define PI 3.1415


double cos_x( int, int );
int fact( int );

int main()
{
    int choice, x, n;


                    printf( "cos(x)\nEnter x and n:\t" );
                    scanf( "%d %d", &x, &n );
                    printf( "\ncos(%d)(%d) = %f\n", x, n, cos_x( x, n ) );

}


double cos_x( int ang_deg, int no_of_terms )
{
    int term, j;
    double value = 1.0, ang_rad = 0.0;
    ang_rad = ( double ) ang_deg * PI / 180;

    for ( term = 2, j = 1;term <= no_of_terms;term += 2, j++ )
        {
            value += ( double ) pow( -1, j ) * pow( ang_rad, term ) / fact( term );
        }

    return value;
}

int fact( int num )
{
    int f = 0;

    if ( num == 1 )
        return 1;
    else
 f = num * fact( num - 1 );

    return f;
}

7 a .Write a C Program to compute the values ofsin x value using Series expansion

#include<stdio.h>
#include<math.h>
#define PI 3.1415

double sin_x( int, int );

int fact( int );

int main()
{
    int choice, x, n;


                    printf( "sin(x)\nEnter x and n:\t" );
                    scanf( "%d %d", &x, &n );
                    printf( "\nsin(%d)(%d) = %f\n", x, n, sin_x( x, n ) );



}


double sin_x( int ang_deg, int no_of_terms )
{
    int term, j;
    double value = 0.0, ang_rad = 0.0;
    ang_rad = ( double ) ang_deg * PI / 180;

    for ( term = 1, j = 2;term < no_of_terms*2;term += 2, j++ )
        {
            value += ( double ) pow( -1, j ) * pow( ang_rad, term ) / fact( term );
        }

    return value;
}


int fact( int num )
{
    int f = 0;

    if ( num == 1 )
        return 1;
    else
 f = num * fact( num - 1 );

    return f;
}

8.b write a c program to perform bubble sort and selectionsort

8b.c

Aim:-write a c program to perform bubble sort.

Program:-

#include<stdio.h>

int main()

{

  int n,temp,i,j,a[20];

  printf("Enter total numbers of elements: ");

  scanf("%d",&n);

  printf("Enter %d elements: ",n);

  for(i=0;i<n;i++)

  scanf("%d",&a[i]);

  for(i=n-2;i>=0;i--)

  {

   for(j=0;j<=i;j++)

   {

    if(a[j]>a[j+1])

     {

       temp=a[j];

       a[j]=a[j+1];

       a[j+1]=temp;

     }

   }

 }

printf("After sorting: ");

for(i=0;i<n;i++)

printf(" %d",a[i]);

}

8bs.c

Aim:-write a c program to perform selection.

Program:-

#include<stdio.h>

int main()

{

 int s,i,j,temp,a[20];

 printf("Enter total elements: ");

 scanf("%d",&s);

 printf("Enter %d elements: ",s);

 for(i=0;i<s;i++)

 scanf("%d",&a[i]);

for(i=0;i<s;i++)

{

 for(j=i+1;j<s;j++)

  {

   if(a[i]>a[j])

   {

    temp=a[i];

    a[i]=a[j];

    a[j]=temp;

   }

 }

}

printf("After sorting is: ");

for(i=0;i<s;i++)

printf(" %d",a[i]);

}

Write a C Program to convert decimal to binary and hex (using switch call function the function)

6b

Aim:- Write a C Program to convert decimal to binary and hex (using switch call function the function)

Program:-

#include<stdio.h>

#include<math.h>

int D2B(int);

int D2H(int);

main()

{

  int ch,num;

  printf("\n1.Decimal 2 Binary.");

  printf("\n2.Decimal 2 Hexa.");

  printf("\nEnter your Choice:");

  scanf("%d",&ch);

  switch(ch)

   {

     case 1:

          printf("\nEnter any Decimal number:");

          scanf("%d",&num);

          printf("Binary number of %d is %d\n",num,D2B(num));

          break;

     case 2:

          printf("\nEnter any Decimal number:");

          scanf("%d",&num);

          printf("Hexa Decimal number of %d is",num);

          D2H(num);

          break;

     default:

         printf("\nEnter proper Choice:");

         break;

   }

}

int D2B(int n)

{

    int remainder;

    long binary = 0, i = 1;

    while(n != 0) {

        remainder = n%2;

        n = n/2;

        binary= binary + (remainder*i);

        i = i*10;

    }

   return binary;

}

int D2H(int n)

{

int rem[50],i=0,length=0;

while(n>0)

   {

      rem[i]=n%16;

      n=n/16;

      i++;

      length++;

   }

 for(i=length-1;i>=0;i--)

  {

    switch(rem[i])

    {

      case 10:

          printf("A");

          break;

      case 11:

          printf("B");

          break;

      case 12:

          printf("C");

          break;

      case 13:

          printf("D");

          break;

      case 14:

          printf("E");

          break;

      case 15:

          printf("F");

          break;

      default :

         printf("%d",rem[i]);

    }

  }

}

Write a C Program to make a simple Calculator to Add, Subtract, Multiply or Divide Using switch case.

Exercise – 6 Control Flow - III

Aim:Write a C Program to make a simple Calculator to Add, Subtract, Multiply or Divide Using switch case.

Program:-

#include<stdio.h>

void main()

{

int a,b,c,ch;

printf("enter a, b values");

scanf("%d%d",&a,&b);

printf(" 1.ADD 2.SUB 3.MUL 4.DIV ");

printf("\nenter your choice");

scanf("%d",&ch);

switch(ch)

                {

                case 1:c=a+b;

                                printf("\nsum is %d",c);

                                break;

                case 2:c=a-b;

                                printf("\nsub is %d",c);

                                break;

                case 3:c=a*b;

                                printf("\nmul is %d",c);

                                break;

                case 4: c=a/b;

                                printf("\ndiv is %d",c);

                                break;

                default:printf("enter correct choice");

                                break;

                }

}

Write a C Program illustrating Factorial and print fibnocci series without Recursion.

5bb

Aim:-Write a C Program illustrating Factorial without Recursion.

Program:-

#include <stdio.h>

int main()

{

  int c, n, fact = 1;

  printf("Enter a number to calculate it's factorial\n");

  scanf("%d", &n);

  for (c = 1; c <= n; c++)

    fact = fact * c;

  printf("Factorial of %d = %d\n", n, fact);

}

5bc

Aim:-Write a c program to print fibnocci series with out recursion.

Program:-

#include<stdio.h>

int main()

{

  int k,r;

  int i=0,j=1,f;

  printf("Enter the number range:");

  scanf("%d",&r);

  printf("FIBONACCI SERIES: ");

  printf("%d %d",i,j);

  for(k=2;k<r;k++)

  {

    f=i+j;

    i=j;

    j=f;

    printf(" %d",j);

  }

   return 0;

}

Write a C Program demonstrating of parameter passing in Functions and returning values

Exercise – 5 Functions

5a1.c

Aim:-a) Write a C Program demonstrating of parameter passing in Functions and returning values.

#include<stdio.h>

void add();

 main()

{

                printf("without parameters, without return values\n");

                add();

}

void add()

{

int a,b,temp;

printf("enter two no's for addition");

scanf("%d%d",&a,&b);

                printf("the  two no's are\n%d\t%d\n",a,b);

temp=a+b;

printf("after addition \n%d",temp);

}

5a2.c

#include<stdio.h>

void add(int,int);

 main()

{

            int x,y;

            printf("with parameters, with out return values\n");

            printf("enter two no's for addition");

            scanf("%d%d",&x,&y);

            printf("the  two no's are\n%d\t%d\n",x,y);

            add(x,y);

}

void add(int a, int b)

{

int temp;

temp=a+b;

printf("after addition \n%d",temp);

}

5A3.C

#include<stdio.h>

int add();

 main()

{

            int x;

            printf("without parameters, with return values\n");

           

             x=add();

            printf("after addition \n%d",x);

           

}

int add()

{

            int temp,a,b;

            printf("enter two no's for addition");

            scanf("%d%d",&a,&b);

            printf("the  two no's are\n%d\t%d\n",a,b);

            temp=a+b;

            return temp;

}

5A4.C

#include<stdio.h>

int add(int,int);

 main()

{

                int x,y,z;

                printf("with  parameters, with return values\n");

                printf("enter two no's for addition");

                scanf("%d%d",&x,&y);

                printf("the  two no's are\n%d\t%d\n",x,y);

                 z=add(x,y);

                printf("after addition \n%d",z);

               

}

int add(int a,int b)

{

                int temp;

                temp=a+b;

                return temp;

}

Write a C program to print Floyd Triangle

4b.c

Aim:-Write a C program to print Floyd Triangle

 

Program:-

#include<stdio.h>

   int main()

{

   int i, j, k = 1;

   int range;

   printf("Enter the range: ");

   scanf("%d", &range);

   printf("\nFLOYD'S TRIANGLE : \n");

   for (i = 1; i <= range; i++)

     {

         for (j = 1; j <= i; j++, k++)

         {

             printf("%d", k);

         }

      printf("\n");

   }

}

Write a C Program to Find Whether the Given Number is Armstrong number

4a2.c

Aim:- b)Write a C Program to Find Whether the Given Number is Armstrong number

Program:-

#include<stdio.h>

 main()

{

    int num,r,sum=0,temp;

    printf("Enter a number: ");

    scanf("%d",&num);

    temp=num;

    while(num!=0)

    {

         r=num%10;

         num=num/10;

         sum=sum+(r*r*r);

    }

    if(sum==temp)

    printf("%d is an Armstrong number",temp);

    else

    printf("%d is not an Armstrong number",temp);

}

Write a C Program to Find Whether the Given Number is Prime Number

Exercise – 4 Control Flow - II

a)Write a C Program to Find Whether the Given Number is Prime Number

program:-

#include<stdio.h>

void main()

{

                int n,i,c=0;

printf("enter a number to check if it is a prime");

scanf("%d",&n);

for(i=1;i<=n;i++)

{

                if(n%i==0)          

                {

                                c=c+1;

                }

}

if(c==2)

printf("%d is a prime\n",n);

else

printf("%d is not a prime\n",n);

}